SmartKey battery replacement procedure with safety warnings and step-by-step instructions for CR 2032 3V cell battery.

SmartKey fob with battery tray cover and replacement battery labeled with numbered callouts.

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See all Electrical figures for the Fortwo / Forfour (453), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.